/* ================================================================
   RED 64 — admin.css
   Estilos custom del Panel Administrador · complementa Tailwind CDN
   Estética: CYBER-SYNTH · fondo #050a14 · azul neón + dorado
   LucianoDallavia.NET · Marzo 2026
   ================================================================ */

/* ── Variables globales ──────────────────────────────────────────── */
:root {
  --color-bg:         #050a14;
  --color-card:       #080d1a;
  --color-card-alt:   #0c1424;
  --color-border:     rgba(0, 191, 255, 0.22);
  --color-border-mid: rgba(0, 191, 255, 0.4);
  --color-border-hot: rgba(0, 191, 255, 0.7);
  --color-primary:    #00BFFF;
  --color-primary-dk: #0099cc;
  --color-secondary:  #FFD700;
  --color-danger:     #FF3B3B;
  --color-warning:    #FF9500;
  --color-success:    #4ade80;
  --color-text:       #e6eef8;
  --color-muted:      #9aaec0;
  --color-muted-dk:   #5a7080;

  --glow-blue:  0 0 18px rgba(0, 191, 255, 0.45), 0 0 36px rgba(0, 191, 255, 0.18);
  --glow-gold:  0 0 18px rgba(255, 215, 0,   0.45), 0 0 36px rgba(255, 215, 0,   0.18);
  --glow-red:   0 0 18px rgba(255, 59,  59,  0.45), 0 0 36px rgba(255, 59,  59,  0.18);
  --glow-green: 0 0 12px rgba(74,  222, 128, 0.4);

  --sidebar-w:  240px;
  --header-h:   60px;
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --transition: 0.22s ease;
}

/* ── Reset base ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

/* Fondo con gradiente radial sutil */
body.dashboard-body {
  background-image:
    radial-gradient(ellipse 70% 50% at 5% 5%,   rgba(0,191,255,0.04) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 95% 95%,  rgba(255,215,0,0.03)  0%, transparent 55%);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button { cursor: pointer; font-family: 'Inter', sans-serif; }
input, select, textarea { font-family: 'Inter', sans-serif; }

/* ── Scrollbar custom ────────────────────────────────────────────── */
::-webkit-scrollbar              { width: 5px; height: 5px; }
::-webkit-scrollbar-track        { background: var(--color-bg); }
::-webkit-scrollbar-thumb        { background: rgba(0,191,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: rgba(0,191,255,0.55); }

/* ── Animaciones globales ─────────────────────────────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%       { transform: scale(1.06); opacity: 0.85; }
}
@keyframes glow-blue-anim {
  0%, 100% { box-shadow: 0 0 10px rgba(0,191,255,0.3); }
  50%       { box-shadow: 0 0 22px rgba(0,191,255,0.6), 0 0 40px rgba(0,191,255,0.25); }
}
@keyframes glow-gold-anim {
  0%, 100% { box-shadow: 0 0 10px rgba(255,215,0,0.3); }
  50%       { box-shadow: 0 0 22px rgba(255,215,0,0.6), 0 0 40px rgba(255,215,0,0.25); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.blink       { animation: blink 1s infinite; }
.pulse-anim  { animation: pulse 2s infinite; }
.glow-blue   { animation: glow-blue-anim 2s infinite; }
.glow-gold   { animation: glow-gold-anim 2s infinite; }
.fade-in     { animation: fadeIn 0.3s ease both; }
.slide-up    { animation: slideUp 0.35s ease both; }

/* ── Online dot ──────────────────────────────────────────────────── */
.online-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
.online-dot.offline { background: var(--color-muted-dk); animation: none; }

/* ================================================================
   LAYOUT — LOGIN PAGE
   ================================================================ */
.login-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 20%, rgba(0,191,255,0.06) 0%, transparent 60%),
    linear-gradient(rgba(0,191,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,191,255,0.025) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
}

.login-box {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Logo del login ──────────────────────────────────────────────── */
.login-logo {
  text-align: center;
}

.login-logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #00BFFF, #0070aa);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 0.75rem;
  box-shadow: var(--glow-blue);
}

.login-logo h1 {
  font-size: clamp(2rem, 6vw, 2.6rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #00BFFF 0%, #00e5ff 50%, #00BFFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 14px rgba(0,191,255,0.5));
  line-height: 1;
}

.login-logo p {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 0.4rem;
}

/* ── Card del formulario de login ────────────────────────────────── */
.login-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--color-primary), #00e5ff, var(--color-primary), transparent);
}

/* ── Pie del login ───────────────────────────────────────────────── */
.login-footer {
  text-align: center;
  font-size: 0.7rem;
  color: var(--color-muted-dk);
  letter-spacing: 0.06em;
}

/* ================================================================
   LAYOUT — DASHBOARD
   ================================================================ */

/* ── Wrapper principal ───────────────────────────────────────────── */
.dashboard-layout {
  display: flex;
  min-height: 100dvh;
}

/* ── Header fijo superior ────────────────────────────────────────── */
.admin-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(5, 10, 20, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 200;
  gap: 1rem;
}

.admin-header-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.admin-header-logo .logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #00BFFF, #007abb);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  box-shadow: 0 0 10px rgba(0,191,255,0.4);
}

.admin-header-logo h1 {
  font-size: 1.15rem;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  filter: drop-shadow(0 0 8px rgba(0,191,255,0.4));
}

.admin-header-logo span {
  font-size: 0.65rem;
  color: var(--color-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Badge de estado de sesión en el header */
.session-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid;
  flex-shrink: 0;
}

.session-badge.active {
  background: rgba(74,222,128,0.1);
  border-color: rgba(74,222,128,0.4);
  color: var(--color-success);
}
.session-badge.inactive {
  background: rgba(154,174,192,0.07);
  border-color: rgba(154,174,192,0.25);
  color: var(--color-muted);
}
.session-badge.paused {
  background: rgba(255,149,0,0.1);
  border-color: rgba(255,149,0,0.4);
  color: var(--color-warning);
}

/* Acciones del header derecho */
.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Botón hamburguesa (móvil) */
.btn-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  padding: 0.4rem;
  align-items: center;
  justify-content: center;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */
.admin-sidebar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  transition: transform var(--transition);
}

/* Separador entre grupos del sidebar */
.sidebar-group-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted-dk);
  padding: 0.75rem 1.25rem 0.35rem;
}

/* Ítem de navegación del sidebar */
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 1.25rem;
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 500;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}

.nav-item .material-symbols-outlined {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.nav-item:hover {
  color: var(--color-text);
  background: rgba(0,191,255,0.06);
}

.nav-item.active {
  color: var(--color-primary);
  background: rgba(0,191,255,0.08);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--color-danger);
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Botón de logout en el sidebar */
.nav-item.logout {
  color: rgba(255, 59, 59, 0.6);
  margin-top: auto;
}
.nav-item.logout:hover {
  color: var(--color-danger);
  background: rgba(255,59,59,0.06);
}

/* ── Área de contenido principal ─────────────────────────────────── */
.admin-main {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  flex: 1;
  padding: 1.5rem;
  min-height: calc(100dvh - var(--header-h));
  overflow-x: hidden;
}

/* ── Secciones del panel (show/hide) ─────────────────────────────── */
.panel-section {
  display: none;
  animation: fadeIn 0.28s ease both;
}
.panel-section.active { display: block; }

/* ── Page title ──────────────────────────────────────────────────── */
.page-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-title .material-symbols-outlined {
  font-size: 1.3rem;
  color: var(--color-primary);
}

/* ================================================================
   COMPONENTES — CARDS
   ================================================================ */

/* ── Card base ───────────────────────────────────────────────────── */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.card-title .material-symbols-outlined { font-size: 0.95rem; color: var(--color-primary); }

/* ── Stat cards (tarjetas de métricas) ───────────────────────────── */
.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover::before  { opacity: 1; }
.stat-card:hover { border-color: var(--color-border-mid); }

.stat-icon {
  width: 36px; height: 36px;
  background: rgba(0,191,255,0.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.875rem;
}

.stat-icon .material-symbols-outlined {
  font-size: 1.1rem;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.3rem;
}

.stat-value {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  font-style: italic;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.01em;
}

.stat-value.danger   { color: var(--color-danger); }
.stat-value.success  { color: var(--color-success); }
.stat-value.gold     { color: var(--color-secondary); }

.stat-trend {
  font-size: 0.68rem;
  font-weight: 600;
  margin-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.stat-trend.up   { color: var(--color-success); }
.stat-trend.down { color: var(--color-danger); }
.stat-trend.flat { color: var(--color-muted); }

/* ================================================================
   COMPONENTES — FORMULARIOS
   ================================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group:last-child { margin-bottom: 0; }

label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

label .material-symbols-outlined { font-size: 0.85rem; color: var(--color-primary); }

.input-field,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  background: rgba(12, 20, 36, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.input-field:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,191,255,0.12);
}

.input-field::placeholder,
input::placeholder { color: rgba(154,174,192,0.35); }

.input-with-icon {
  position: relative;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.input-with-icon input { padding-left: 2.5rem; }

.input-with-action {
  position: relative;
}

.input-with-action input { padding-right: 3rem; }

.input-action-btn {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-muted);
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}

.input-action-btn:hover { color: var(--color-primary); }
.input-action-btn .material-symbols-outlined { font-size: 1.05rem; }

select option { background: var(--color-card-alt); }

textarea { resize: vertical; min-height: 90px; }

/* ── Input hint ──────────────────────────────────────────────────── */
.input-hint {
  font-size: 0.7rem;
  color: var(--color-muted-dk);
  margin-top: 0.2rem;
}

/* ── Radio buttons de radio GPS ──────────────────────────────────── */
.radio-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.radio-btn {
  flex: 1;
  min-width: 70px;
  padding: 0.55rem 0.5rem;
  background: rgba(12,20,36,0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.radio-btn:hover { border-color: var(--color-border-mid); color: var(--color-text); }

.radio-btn.selected {
  background: rgba(0,191,255,0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0,191,255,0.15);
}

/* ── Toggle / Switch ─────────────────────────────────────────────── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toggle {
  position: relative;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(90,112,128,0.4);
  border: 1px solid rgba(90,112,128,0.4);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-muted);
  left: 2px; top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition), background var(--transition);
}

.toggle input:checked + .toggle-slider {
  background: rgba(0,191,255,0.2);
  border-color: var(--color-primary);
}

.toggle input:checked + .toggle-slider::before {
  background: var(--color-primary);
  transform: translate(18px, -50%);
}

/* ================================================================
   COMPONENTES — BOTONES
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  min-height: 44px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn .material-symbols-outlined { font-size: 1rem; }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

/* Primario */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dk));
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(0,191,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,191,255,0.45);
  background: linear-gradient(135deg, #1fd4ff, var(--color-primary));
}
.btn-primary:active { transform: translateY(0); }

/* Secundario / outline */
.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border-mid);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(0,191,255,0.07);
  border-color: var(--color-border-hot);
}

/* Peligro */
.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #cc2020);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,59,59,0.3);
}
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,59,59,0.45);
}

/* Advertencia / dorado */
.btn-warning {
  background: linear-gradient(135deg, var(--color-secondary), #ccaa00);
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(255,215,0,0.25);
}
.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,215,0,0.4);
}

/* Éxito */
.btn-success {
  background: linear-gradient(135deg, var(--color-success), #22aa55);
  color: var(--color-bg);
}
.btn-success:hover { transform: translateY(-2px); }

/* Ghost / sutil */
.btn-ghost {
  background: rgba(154,174,192,0.07);
  border: 1px solid rgba(154,174,192,0.15);
  color: var(--color-muted);
}
.btn-ghost:hover {
  background: rgba(154,174,192,0.12);
  color: var(--color-text);
}

/* Full width */
.btn-full { width: 100%; }

/* ── Grupo de botones ────────────────────────────────────────────── */
.btn-group {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ================================================================
   COMPONENTES — BADGES Y TAGS
   ================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid;
  white-space: nowrap;
}

.badge-primary {
  background: rgba(0,191,255,0.1);
  border-color: rgba(0,191,255,0.35);
  color: var(--color-primary);
}
.badge-gold {
  background: rgba(255,215,0,0.1);
  border-color: rgba(255,215,0,0.35);
  color: var(--color-secondary);
}
.badge-danger {
  background: rgba(255,59,59,0.1);
  border-color: rgba(255,59,59,0.35);
  color: var(--color-danger);
}
.badge-success {
  background: rgba(74,222,128,0.1);
  border-color: rgba(74,222,128,0.35);
  color: var(--color-success);
}
.badge-muted {
  background: rgba(154,174,192,0.07);
  border-color: rgba(154,174,192,0.2);
  color: var(--color-muted);
}
.badge-warning {
  background: rgba(255,149,0,0.1);
  border-color: rgba(255,149,0,0.35);
  color: var(--color-warning);
}

/* Badge de nivel (colores por nivel) */
.badge-nivel-1 { background:rgba(255,215,0,0.12); border-color:rgba(255,215,0,0.4); color:var(--color-secondary); }
.badge-nivel-2 { background:rgba(0,191,255,0.1);  border-color:rgba(0,191,255,0.35); color:var(--color-primary); }
.badge-nivel-3 { background:rgba(74,222,128,0.1); border-color:rgba(74,222,128,0.35); color:var(--color-success); }
.badge-nivel-4 { background:rgba(255,149,0,0.1);  border-color:rgba(255,149,0,0.35); color:var(--color-warning); }
.badge-nivel-5 { background:rgba(180,100,255,0.1);border-color:rgba(180,100,255,0.35); color:#b464ff; }

/* ================================================================
   COMPONENTES — TABLA DE USUARIOS
   ================================================================ */

.users-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.users-table th {
  padding: 0.65rem 1rem;
  text-align: left;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.users-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(0,191,255,0.06);
  vertical-align: middle;
}

.users-table tr:last-child td { border-bottom: none; }

.users-table tr:hover td {
  background: rgba(0,191,255,0.03);
}

.users-table tr.eliminated td {
  opacity: 0.45;
}

/* Avatar en tabla */
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-border);
  flex-shrink: 0;
}

.user-avatar-placeholder {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(0,191,255,0.1);
  border: 1.5px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.user-info-cell {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.user-nick {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ================================================================
   COMPONENTES — ACTIVIDAD / LOGS
   ================================================================ */

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(0,191,255,0.05);
  animation: slideInRight 0.3s ease both;
}

.activity-item:last-child { border-bottom: none; }

.activity-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(0,191,255,0.1);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.activity-avatar .material-symbols-outlined { font-size: 0.85rem; color: var(--color-primary); }

.activity-body {
  flex: 1;
  min-width: 0;
}

.activity-text {
  font-size: 0.8rem;
  color: var(--color-text);
  line-height: 1.45;
  word-break: break-word;
}

.activity-text .actor { font-weight: 600; }
.activity-text .target { color: var(--color-danger); font-weight: 600; }

.activity-time {
  font-size: 0.65rem;
  color: var(--color-muted-dk);
  margin-top: 0.15rem;
}

/* ================================================================
   COMPONENTES — DESAFÍOS EN CURSO
   ================================================================ */

.challenge-card {
  background: var(--color-card-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: border-color var(--transition);
}

.challenge-card:hover { border-color: var(--color-border-mid); }

.challenge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.challenge-level-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.challenge-players {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.challenge-player {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.challenge-player.right { flex-direction: row-reverse; text-align: right; }

.challenge-vs {
  font-size: 0.75rem;
  font-weight: 800;
  font-style: italic;
  color: var(--color-primary);
  flex-shrink: 0;
}

.challenge-status {
  font-size: 0.7rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Barra de progreso del tiempo de desafío */
.challenge-progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(0,191,255,0.1);
  border-radius: 2px;
  margin-top: 0.6rem;
  overflow: hidden;
}

.challenge-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #00e5ff);
  border-radius: 2px;
  transition: width 1s linear;
}

.challenge-progress-fill.danger {
  background: linear-gradient(90deg, var(--color-danger), #ff6b6b);
}

/* ================================================================
   COMPONENTES — QR Y SESIÓN
   ================================================================ */

.qr-container-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.qr-container {
  background: var(--color-bg);
  border: 2px solid rgba(0,191,255,0.3);
  border-radius: var(--radius-md);
  padding: 10px;
  box-shadow: var(--glow-blue);
  display: flex; align-items: center; justify-content: center;
}

.qr-countdown-text {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}

.qr-countdown-text span {
  color: var(--color-primary);
  font-weight: 700;
}

/* Barra de progreso del QR */
.qr-progress-bar {
  width: 100%;
  max-width: 280px;
  height: 4px;
  background: rgba(0,191,255,0.12);
  border-radius: 2px;
  overflow: hidden;
}

.qr-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #00e5ff);
  border-radius: 2px;
  transition: width 1s linear;
}

/* ================================================================
   COMPONENTES — SERVER STATS
   ================================================================ */

.server-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,191,255,0.05);
  gap: 1rem;
}

.server-stat-row:last-child { border-bottom: none; }

.server-stat-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  flex-shrink: 0;
}

.server-stat-bar-wrap {
  flex: 1;
  height: 5px;
  background: rgba(0,191,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}

.server-stat-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.8s ease;
}

.server-stat-bar.latency { background: linear-gradient(90deg, var(--color-success), #22bb66); }
.server-stat-bar.cpu     { background: linear-gradient(90deg, var(--color-warning), #ffaa00); }
.server-stat-bar.mem     { background: linear-gradient(90deg, var(--color-primary), #00e5ff); }

.server-stat-value {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-success);
  flex-shrink: 0;
  min-width: 45px;
  text-align: right;
}

.server-stat-value.warn  { color: var(--color-warning); }
.server-stat-value.crit  { color: var(--color-danger); }

/* ================================================================
   COMPONENTES — MODALES
   ================================================================ */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(5, 10, 20, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.2s ease both;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 440px;
  position: relative;
  animation: slideUp 0.3s ease both;
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--color-primary), #00e5ff, var(--color-primary), transparent);
}

.modal-box.danger-modal::before {
  background: linear-gradient(90deg,
    transparent, var(--color-danger), #ff6b6b, var(--color-danger), transparent);
}

.modal-title {
  font-size: 1rem;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-title .material-symbols-outlined { color: var(--color-primary); }
.danger-modal .modal-title .material-symbols-outlined { color: var(--color-danger); }

.modal-body {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-body strong { color: var(--color-text); }

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ================================================================
   COMPONENTES — NOTIFICACIONES FLOTANTES (TOASTS)
   ================================================================ */

#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
  pointer-events: none;
  max-width: 360px;
}

.toast {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  min-width: 220px;
  max-width: 340px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: slideInRight 0.35s ease both;
  pointer-events: all;
}

.toast .material-symbols-outlined { font-size: 1.1rem; flex-shrink: 0; }
.toast.success { border-color: rgba(74,222,128,0.4); }
.toast.success .material-symbols-outlined { color: var(--color-success); }
.toast.error   { border-color: rgba(255,59,59,0.4); }
.toast.error   .material-symbols-outlined { color: var(--color-danger); }
.toast.info    { border-color: rgba(0,191,255,0.4); }
.toast.info    .material-symbols-outlined { color: var(--color-primary); }
.toast.gold    { border-color: rgba(255,215,0,0.4); }
.toast.gold    .material-symbols-outlined { color: var(--color-secondary); }

.toast-fadeout { animation: fadeIn 0.3s ease reverse both; }

/* Notificación de destrono especial */
.toast-destrono {
  background: linear-gradient(135deg, rgba(255,215,0,0.12), rgba(5,10,20,0.95));
  border-color: rgba(255,215,0,0.5);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), var(--glow-gold);
  font-weight: 700;
  color: var(--color-secondary);
}

/* ================================================================
   COMPONENTES — GRÁFICO DE CONCURRENCIA
   ================================================================ */

.chart-container {
  position: relative;
  height: 120px;
  margin-top: 0.5rem;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 100%;
  padding-bottom: 1.5rem;
}

.chart-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  background: rgba(0,191,255,0.2);
  border-radius: 3px 3px 0 0;
  transition: height 0.8s ease, background 0.25s;
  min-height: 3px;
}

.chart-bar:hover { background: rgba(0,191,255,0.55); }
.chart-bar.current { background: rgba(0,191,255,0.7); box-shadow: 0 0 8px rgba(0,191,255,0.4); }

.chart-label {
  font-size: 0.58rem;
  color: var(--color-muted-dk);
  position: absolute;
  bottom: 0;
  white-space: nowrap;
}

/* ================================================================
   UTILITARIOS
   ================================================================ */

/* Separador */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 1rem 0;
}

/* Text helpers */
.text-primary  { color: var(--color-primary) !important; }
.text-gold     { color: var(--color-secondary) !important; }
.text-danger   { color: var(--color-danger) !important; }
.text-success  { color: var(--color-success) !important; }
.text-muted    { color: var(--color-muted) !important; }
.text-sm       { font-size: 0.78rem !important; }
.text-xs       { font-size: 0.68rem !important; }
.text-bold     { font-weight: 700 !important; }
.text-italic   { font-style: italic !important; }
.text-upper    { text-transform: uppercase; letter-spacing: 0.1em; }
.text-center   { text-align: center; }
.text-right    { text-align: right; }

/* Spinner de carga */
.spinner {
  width: 24px; height: 24px;
  border: 2.5px solid rgba(0,191,255,0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* Estado vacío */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  gap: 0.75rem;
  text-align: center;
}

.empty-state .material-symbols-outlined {
  font-size: 2.5rem;
  color: var(--color-muted-dk);
}

.empty-state p {
  font-size: 0.82rem;
  color: var(--color-muted);
  max-width: 260px;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* Gap helpers */
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }

/* Flex helpers */
.flex          { display: flex; }
.flex-col      { display: flex; flex-direction: column; }
.items-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap     { flex-wrap: wrap; }

/* Spacing */
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.5rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }

/* ================================================================
   RESPONSIVE — MOBILE
   ================================================================ */

@media (max-width: 768px) {

  /* Sidebar se oculta por defecto en móvil */
  .admin-sidebar {
    transform: translateX(-100%);
    z-index: 300;
  }

  .admin-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }

  /* El contenido ocupa todo el ancho */
  .admin-main {
    margin-left: 0;
    padding: 1rem;
  }

  /* Mostrar botón hamburguesa */
  .btn-menu-toggle { display: flex; }

  /* Overlay cuando el sidebar está abierto */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5,10,20,0.6);
    z-index: 250;
    backdrop-filter: blur(2px);
  }

  .sidebar-overlay.open { display: block; }

  /* Grids responsivos */
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }

  /* Tabla de usuarios en móvil */
  .hide-mobile { display: none !important; }

  .modal-box { padding: 1.5rem; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .btn { width: 100%; }

  #toast-container {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    max-width: 100%;
    align-items: stretch;
  }
  .toast { max-width: 100%; min-width: unset; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .admin-header { padding: 0 0.875rem; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; }
}